~~~~~~~~~~~~~~
* Allow argument to muninn.open() to be a direct url or path to a muninn
configuration file.
* Added 'distance(geometry,geometry)' expression function.
* Added Geometry.wrap() spherical to 2d geometry wrapping functions.
* Fixed issue when pulling a product that is a directory using the S3 remote
backend.
* Various fixes when using archive.rebuild_properties() with the S3 storage
backend.
* Several minor fixes.